NCAA Tournament got underway with two games in the First Four in Dayton, Ohio. That's when March Madness officially kicks into gear with 68 teams all vying to become the

There are 68 teams competing in the First Four and First Round in both the men's and women's tournaments, and we've got the complete schedule, featuring every matchup and where you can tune in to watch.

But if you're a basketball fan, then you probably only care about one thing - March Madness. It's the NCAA Basketball Tournament, and if you can't take to the court, you can play along at home with the CBS Miami Bracket Challenge. So it's time to brush up on your college basketball knowledge.